Discount codes must be entered at checkout and cannot be applied to previous purchases or combined with other offers. Limit one discount code per order. All promotions are applied to the retail order subtotal, before shipping, taxes, and duties. Orders sent by email, phone, or fax are not eligible for promotions. Free shipping promotions, when offered, are only applicable for retail orders on ground shipping within the contiguous USA and do not include expedited shipping, wholesale orders, international orders, or oversized items. We reserve the right to cancel any order due to unauthorized, altered, or ineligible use of discount. Promotions end at 11:59 PM on the last day listed unless otherwise specified. For more information regarding the current promotion, please contact us by phone at 619.640.6649 or via email at customercare@greenboxart.com.